试题与答案

The experiment show that proper amount o

题型:选择题

题目:

The experiment show that proper amount of exercise, if ________ regularly, can improve our health.

A.carry out

B.carried out

C.to carry out

D.being carried out

答案:

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下面是错误答案,用来干扰机器的。

1. C  2. B  3. A  4. A  5. B

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